Portable air pump



FIG. 1 is a top and rear perspective view of the portable air pump showing our new design;

FIG. 2 is a back and right side perspective view of the portable air pump in FIG. 1;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top and rear perspective view of the portable air pump showing a second embodiment of our new design;

FIG. 10 is a back and right side perspective view of the portable air pump in FIG. 9;

FIG. 11 is a top view of FIG. 9;

FIG. 12 is a bottom view of FIG. 9;

FIG. 13 is a front view of FIG. 9;

FIG. 14 is a rear view of FIG. 9;

FIG. 15 is a left side view of FIG. 9;

FIG. 16 is a right side view of FIG. 9;

FIG. 17 is a top and rear perspective view of the portable air pump showing a third embodiment of our new design;

FIG. 18 is a back and right side perspective view of the portable air pump in FIG. 17;

FIG. 19 is a top view of FIG. 17;

FIG. 20 is a bottom view of FIG. 17;

FIG. 21 is a front view of FIG. 17;

FIG. 22 is a rear view of FIG. 17;

FIG. 23 is a left side view of FIG. 17; and,

FIG. 24 is a right side view of FIG. 17.

The broken line illustration of environmental structures in the drawings are not part of the design sought to be patented. 

CLAIM The ornamental design for a portable air pump, substantially as shown and described. 